USD-PHP Exchange rate thru the years

44.10=$1 ngayon, January 30. Akalain nyo, eto pala ang samples ng Php-USD exchange rate noong araw:

Marcos
1970 = 5.50
1975 = 7.50
1980 = 7.60
Cory
1986 = 20.53
1990 = 28.00
1991 = 26.65
Ramos
1994 = 24.41
1995 = 26.21
Erap
2000 = 44.14
Gloria
2001 = 51.00
2004 = 56.04
2006 = 51.34

Hanep nung panahon ni Apong Ferdie ano?