The chart shows the results of surveys in one African country asking teenagers the main reasons for using their phones between 2016 and 2019 Summarise the information by selecting and reporting the main features and make comparisons where relevant

The four pie charts have shown the main purposes for youngsters in one African country using their phones between 2016 and 2019.
First, in 2016, the social networks purpose has the biggest part in the chart, for half of the main reasons. The second-biggest reason for using phones was emailing, which the percentage was equal to the half quantity of the first one. The two lowest rates for the pie chart were for digital camera and phone calls. The changes between those percentages were gradual, and not significant.
We can catch the information that 15% of the digital camera was continually through 2 years and then went up to 18% in 2018, while phone calls purpose was unsteady, and then reached the bottom in 2019 at about 5% of the total. Besides that, email purpose had stood behind the number of digital camera, with a difference of 1%. Lastly, social networks part remained and reached a peak in 2019 for about 56% of teenagers using purposes.
After 4 years, between 2016 and 2019, using phones in teenagers has some distinct purposes but top of that would for social networks throughout the time, and phone calls reason always has the smallest part in the pie charts.

Votes
Average: 7.3 (1 vote)

Grammar and spelling errors:
Line 2, column 317, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...ere for digital camera and phone calls. The changes between those percentages were ...
^^^

Transition Words or Phrases used:
besides, but, first, if, lastly, second, so, then, while

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 6.0 7.0 86% => OK
Auxiliary verbs: 2.0 1.00243902439 200% => OK
Conjunction : 9.0 6.8 132% => OK
Relative clauses : 4.0 3.15609756098 127% => OK
Pronoun: 6.0 5.60731707317 107% => OK
Preposition: 31.0 33.7804878049 92% => OK
Nominalization: 2.0 3.97073170732 50% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 979.0 965.302439024 101% => OK
No of words: 205.0 196.424390244 104% => OK
Chars per words: 4.7756097561 4.92477711251 97% => OK
Fourth root words length: 3.78388967377 3.73543355544 101% => OK
Word Length SD: 2.3361525135 2.65546596893 88% => OK
Unique words: 116.0 106.607317073 109% => OK
Unique words percentage: 0.565853658537 0.547539520022 103% => OK
syllable_count: 274.5 283.868780488 97% => OK
avg_syllables_per_word: 1.3 1.45097560976 90% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 1.53170731707 65% => OK
Article: 5.0 4.33902439024 115% => OK
Subordination: 2.0 1.07073170732 187% => OK
Conjunction: 3.0 0.482926829268 621% => Less conjunction wanted as sentence beginning.
Preposition: 5.0 3.36585365854 149% => OK

Performance on sentences:
How many sentences: 9.0 8.94146341463 101% => OK
Sentence length: 22.0 22.4926829268 98% => OK
Sentence length SD: 53.7596388142 43.030603864 125% => OK
Chars per sentence: 108.777777778 112.824112599 96% => OK
Words per sentence: 22.7777777778 22.9334400587 99% => OK
Discourse Markers: 6.22222222222 5.23603664747 119% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 1.0 1.69756097561 59% => OK
Sentences with positive sentiment : 4.0 3.70975609756 108% => OK
Sentences with negative sentiment : 2.0 1.13902439024 176% => OK
Sentences with neutral sentiment: 3.0 4.09268292683 73% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.293388713997 0.215688989381 136% => OK
Sentence topic coherence: 0.130618674115 0.103423049105 126% => OK
Sentence topic coherence SD: 0.109885604588 0.0843802449381 130% => OK
Paragraph topic coherence: 0.217344403221 0.15604864568 139% => OK
Paragraph topic coherence SD: 0.113893441161 0.0819641961636 139% => OK

Essay readability:
automated_readability_index: 12.5 13.2329268293 94% => Automated_readability_index is low.
flesch_reading_ease: 74.53 61.2550243902 122% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 8.3 10.3012195122 81% => OK
coleman_liau_index: 10.74 11.4140731707 94% => OK
dale_chall_readability_score: 7.65 8.06136585366 95% => OK
difficult_words: 38.0 40.7170731707 93% => OK
linsear_write_formula: 8.0 11.4329268293 70% => OK
gunning_fog: 10.8 10.9970731707 98% => OK
text_standard: 8.0 11.0658536585 72% => OK
What are above readability scores?

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Rates: 73.0337078652 out of 100
Scores by essay e-grader: 6.5 Out of 9
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.