Number of measurements available in each month during the year of 1997-2002

Location Month 1997 1998 1999 2000 2001 2002
OLYM1 1 0 0 0 0 0 10
OLYM1 2 0 0 0 0 0 8
OLYM1 3 0 0 0 0 0 7
OLYM1 4 0 0 0 0 0 10
OLYM1 5 0 0 0 0 0 10
OLYM1 6 0 0 0 0 0 10
OLYM1 7 0 0 0 0 0 11
OLYM1 8 0 0 0 0 5 10
OLYM1 9 0 0 0 0 10 10
OLYM1 10 0 0 0 0 10 10
OLYM1 11 0 0 0 0 10 10
OLYM1 12 0 0 0 0 9 11