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

Location Month 1997 1998 1999 2000 2001 2002
LABE1 1 0 0 0 0 10 9
LABE1 2 0 0 0 0 6 10
LABE1 3 0 0 0 1 8 10
LABE1 4 0 0 0 8 9 10
LABE1 5 0 0 0 8 11 10
LABE1 6 0 0 0 8 10 10
LABE1 7 0 0 0 9 7 11
LABE1 8 0 0 0 8 10 7
LABE1 9 0 0 0 10 10 10
LABE1 10 0 0 0 10 11 6
LABE1 11 0 0 0 9 7 10
LABE1 12 0 0 0 9 7 11