For example, here is the fees in BC based on income:
http://www.health.gov.bc.ca/msp/infoben/premium.html
Income Cost/month
$0 - $22,000 $0
$22,001 - $24,000 $12.80 (one person), $23.20 (family of two)
$24,001 - $26,000 $25.60 (one person), $46.40...