The bar chart below shows the number of students in three different courses from 2001 2004 Identify the main trends and summarize the data

The bar chart below depicts the number of students in three different courses from 2001 to 2004.
It is clear that the figure of course A uneven over 4 years, and course B increased significantly but dropped back as the same.In the last year on the chart, course C was grow up.
Starting with 4,1 million students in 2001 of course A, while one half of that on course B at above 2 million. After a year, the proportion pupils in course A decreased about 2,5 million. In the last 2 years, course A recorded 3,5 and 4,5 million respectively. Perhaps around 4,2 million scholars was the maximum of course B in 2002, because in 2003 and 2004 course B diminished at lower 2 and 3 million alternately.
In the first 2 years, course C almost no change approximately 2 million pupils. There were 3 million of people going to the course C in 2003. In the final year, the figure of class C constantly climbed by 5 million. This number took the lead over the period shown.

Votes
Average: 7.8 (1 vote)

Grammar and spelling errors:
Line 2, column 128, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: In
...nificantly but dropped back as the same.In the last year on the chart, course C wa...
^^
Line 2, column 172, Rule ID: BEEN_PART_AGREEMENT[1]
Message: Consider using a past participle here: 'grown'.
Suggestion: grown
...he last year on the chart, course C was grow up. Starting with 4,1 million student...
^^^^

Transition Words or Phrases used:
but, first, if, while, of course

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

Performance on Part of Speech:
To be verbs : 4.0 7.0 57% => More to be verbs wanted.
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 5.0 6.8 74% => OK
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 4.0 5.60731707317 71% => OK
Preposition: 34.0 33.7804878049 101% => OK
Nominalization: 1.0 3.97073170732 25% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 787.0 965.302439024 82% => OK
No of words: 178.0 196.424390244 91% => More content wanted.
Chars per words: 4.42134831461 4.92477711251 90% => OK
Fourth root words length: 3.65262427087 3.73543355544 98% => OK
Word Length SD: 2.57936148465 2.65546596893 97% => OK
Unique words: 102.0 106.607317073 96% => OK
Unique words percentage: 0.573033707865 0.547539520022 105% => OK
syllable_count: 218.7 283.868780488 77% => OK
avg_syllables_per_word: 1.2 1.45097560976 83% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 1.53170731707 131% => OK
Article: 3.0 4.33902439024 69% => OK
Subordination: 3.0 1.07073170732 280% => Less adverbial clause wanted.
Conjunction: 1.0 0.482926829268 207% => Less conjunction wanted as sentence beginning.
Preposition: 5.0 3.36585365854 149% => OK

Performance on sentences:
How many sentences: 10.0 8.94146341463 112% => OK
Sentence length: 17.0 22.4926829268 76% => The Avg. Sentence Length is relatively short.
Sentence length SD: 39.845827887 43.030603864 93% => OK
Chars per sentence: 78.7 112.824112599 70% => OK
Words per sentence: 17.8 22.9334400587 78% => OK
Discourse Markers: 3.2 5.23603664747 61% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 2.0 1.69756097561 118% => 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: 4.0 4.09268292683 98% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.249440381187 0.215688989381 116% => OK
Sentence topic coherence: 0.12176956305 0.103423049105 118% => OK
Sentence topic coherence SD: 0.176202677845 0.0843802449381 209% => The coherence between sentences is low.
Paragraph topic coherence: 0.234966591831 0.15604864568 151% => OK
Paragraph topic coherence SD: 0.234253043681 0.0819641961636 286% => More connections among paragraphs wanted.

Essay readability:
automated_readability_index: 8.3 13.2329268293 63% => Automated_readability_index is low.
flesch_reading_ease: 88.06 61.2550243902 144% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 5.2 10.3012195122 50% => Flesch kincaid grade is low.
coleman_liau_index: 8.06 11.4140731707 71% => OK
dale_chall_readability_score: 6.96 8.06136585366 86% => OK
difficult_words: 28.0 40.7170731707 69% => More difficult words wanted.
linsear_write_formula: 10.5 11.4329268293 92% => OK
gunning_fog: 8.8 10.9970731707 80% => OK
text_standard: 9.0 11.0658536585 81% => OK
What are above readability scores?

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Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 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.