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Month Plantain Olive Birch Privet Alder Maple Mugwort Composites Hazel Heather Eucalyptus Ash Mulberry Elm Pine Poplar Oak Sorrel Willow Nettle Other Unidentified
January 0 0 0 0 22 0 0 1 0 0 1 15 0 5 3 0 2 0 0 2 0 0
February 0 1 0 0 7 0 0 0 0 0 0 76 0 281 4 250 1 0 0 10 0 0
March 11 1 0 0 2 0 0 1 2 4 1 9 68 5 48 80 18 6 9 22 6 1
April 36 6 12 0 1 0 0 7 1 1 0 10 44 6 28 2 187 14 23 29 3 2
May 83 490 2 0 0 0 0 12 0 21 1 0 2 4 101 185 805 41 1 17 19 0
June 10 243 1 0 0 0 0 6 1 10 0 0 0 0 97 54 76 7 2 9 6 2
July 6 3 0 1 0 0 0 4 0 0 0 0 0 1 6 0 13 3 0 6 2 0
August — — — — — — — — — — — — — — — — — — — — — —
September 1 2 2 0 0 0 0 2 0 0 0 0 1 0 3 0 3 0 0 1 0 0
October 1 2 1 0 0 0 1 2 0 0 0 0 1 0 6 0 7 1 0 4 1 2
November 0 1 0 0 0 0 0 2 0 0 0 0 0 0 6 0 4 0 0 1 2 0
December 0 0 0 0 0 0 0 0 0 0 0 16 0 0 4 0 6 0 0 6 0 0