| | ��������� ��� ���/span> | 1971 �6 �1994 �7 �� | 1990 �6 � �� �� � | �� ��� ��� � | � ��� � ���� | ��� � ���� � | ��� ��� ��/span> | ��/strong> | �� � �� � | ���� � ������ � | ��� �� ���� | � �� �/span> | � �/strong> | 1987 �9 �990 �9 �� ��� | ������/span> | 1990 �9 �994 �7 �� �� | ��� � �/span> | 1994 �7 �997 �7 �� �� | �� ��� ����� | �1994 �7 �997 �7 �� | � � ��� � � | � ���� ��/span> | 1997 �7 �999 �12 �� | �� � ����� � �� | | 1999 �12 �002 �2 �� | �� � ���� � � | � | 2002 �2 �005 �2 �� � | � � ���� � �� | �/span> | 2005 �2 �008 �5 �� � | � � ���� � �� | ��� | 2008 �5 �011 �8 �� � | � � ���� ��� | �� �/span> | 2011 �8 �015 �3 �� � | � � ���� ��� �� | �� �/span> | 2015 �3 �017 �3 �� � | � � � ���� � | ��� | 2017 �3 �017 �4 �� � | � � � � ��/span> | 2017 �4 �� �� � | � � ���� � ��� | ��� ��/span> | | |