Zimbabwe Open University
History
Table:
Year

1999[10]

2000[10]

2001[10]

2002[10]

2003[2]

2004[10]

2005[10]

2006[10]

Total student enrolment
14,313
16,995
23,161
17,770
19,228
20, 400

Reviewing the table that covers 'Zimbabwe Open University' (see 'History'), summarise the highlighted cells in a single sentence and format it within the following JSON object {"answer": "YOUR ANSWER"}.