# Years Size Links
In 1988โ€“1992 19.8%
MeAl 1983โ€“2007 8.3%
Na 1978โ€“2007 11.9%
NaAlPa 2003โ€“2012 27.5%
PaPa 1976โ€“2012 82.0%
PePr 1978โ€“1982 16.5%
PeAc 1983โ€“2012 9.3%
PeDeMo 1986โ€“2012 17.0%
PeNaCo 1998โ€“2012 5.5%
PePrPa 1981โ€“2012 14.7%
Un 1983โ€“2007 8.3%
UnPa 1978โ€“1982 34.9%