1973
₱2.5 million $56,818
1974
₱3 million $68,182
1975
₱3 million $68,182
1976
₱3 million $68,182
1977
₱4.5 million $102,273
1978
₱5.5 million $125,000
2009
₱2 - 2.5 million $45,455 - $56,818
2010
₱2.5 million $56,818
2011
₱3 million $68,182
2012
₱3.5 million $79,545