| | 1995 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 |
|---|
| Total |
| Number of organizations with courses doctor's degree | 15 | 23 | 21 | 16 | 17 | 19 | 20 |
| Number of persons working for doctor's degree | 38 | 55 | 47 | 40 | 58 | 57 | 68 |
| Admission of doctor's degree, person | 18 | 10 | 9 | 17 | 18 | 14 | 14 |
| Graduates of doctor's degree, person | 5 | 36 | 22 | 7 | 7 | 15 | 6 |
| including those defended a dissertation | - | 2 | 2 | 1 | - | 3 | 3 |
| Research institutions |
| Number of organizations with courses doctor's degree | 10 | 13 | 13 | 10 | 11 | 13 | 12 |
| Number of persons working for doctor's degree | 23 | 25 | 18 | 19 | 29 | 33 | 40 |
| Admission of doctor's degree, person | 9 | 6 | 4 | 14 | 8 | 10 | 11 |
| Graduates of doctor's degree, person | 4 | 13 | 11 | 3 | 5 | 9 | 5 |
| including those defended a dissertation | - | 2 | 1 | 1 | - | 2 | 3 |
| Higher Educational Institutions |
| Number of organizations with courses doctor's degree | 5 | 10 | 8 | 6 | 6 | 6 | 8 |
| Number of persons working for doctor's degree | 15 | 30 | 29 | 21 | 29 | 24 | 28 |
| Admission of doctor's degree, person | 9 | 4 | 5 | 3 | 10 | 4 | 3 |
| Graduates of doctor's degree, person | 1 | 23 | 11 | 4 | 2 | 6 | 1 |
| including those defended a dissertation | - | - | 1 | - | - | 1 | - |
