Afvoer NTM 1-21,26-28
1922: 4
1930: 1-2, 6, 11
1931: 26
1936: 5, 15, 18-20, 28
1937: 3, 27
1940: 7, 12, 16
1944: 9-10, 14, 17, 21
1946: 8
1950: 13