,
(
500
1000
1500
2000
2500
3000
3500
4000
4500
)
1
...
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
...
2677
.
- : - .
5
2
6- " "
.
7
4 :
1 , 1
7
:
5- - -
-
.
7
1
...
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
...
2677