 

    17  1957   ,   .  ,      ,    . 

      ,   .   ,    - ,        .     :       ,        ,   ,      . 

C 1981  1987        ,    .       ,  1991-1995     . ..   -,  .      . 

     40 ,    !  1991    .       1993       . 

    20 ,  :    (1995),   (1995),   (1998),  (1998),  (2000),     (2001), Ҹ  (2004),     (2005),  - (2007),    (2012)  .

 2009          .