0	16
1916	 6
1917	 2
1918	 1
1919	 1
1920	 2
1921	 4
1923	 5
1925	 2
1926	 6
1927	 4
1928	10
1929	 5
1930	 3
1931	 1
1936	 3
1960	 1
1988	 1
1991	 1