Table 1.
Variables | 2008 | 2009 | 2010 | 2011 | 2012 |
Socio economic status | |||||
Upper | 0 | 0 | 0 | 0 | 0 |
Middle | 2 | 3 | 4 | 3 | 4 |
Lower | 16 | 15 | 22 | 20 | 22 |
Education | |||||
Illiterate | 15 | 14 | 19 | 18 | 20 |
Primary education | 2 | 3 | 5 | 4 | 4 |
Secondary education | 1 | 1 | 2 | 1 | 2 |
Higher Secondary education | 0 | 0 | 0 | 0 | 0 |
Area of residence | |||||
Urban | 1 | 0 | 0 | 0 | 0 |
Rural | 17 | 18 | 26 | 23 | 26 |