Type of trees Percentage of defoliation year Total Total Defoliation % > 25 2000 13.88 Total Defoliation % > 25 1999 12.90 Total Defoliation % > 25 1998 13.60 Total Defoliation % > 25 1997 13.60 Total Defoliation % > 25 1996 19.43 Total Defoliation % > 25 1995 23.47 Conifers Defoliation % > 25 2000 12.07 Conifers Defoliation % > 25 1999 9.80 Conifers Defoliation % > 25 1998 12.90 Conifers Defoliation % > 25 1997 11.50 Conifers Defoliation % > 25 1996 18.15 Conifers Defoliation % > 25 1995 18.13 Leafy trees Defoliation % > 25 2000 15.75 Leafy trees Defoliation % > 25 1999 16.10 Leafy trees Defoliation % > 25 1998 14.40 Leafy trees Defoliation % > 25 1997 15.80 Leafy trees Defoliation % > 25 1996 20.69 Leafy trees Defoliation % > 25 1995 28.66