yep, normal. the high end may last 5 years. quit using them. and don't replace them w/non-stick.
teflon is really that bad. it never degrades; simply hangs around forever. it is a known carcinogen. the chemical has been detected in 98% of americans that have been tested.
ok, so I still have one teflon pan because I simply cannot figure out eggs (even in the porcelain, supposedly, non-stick/not-teflon). but that's all I use it for.
w/some oil (which our bodies need in small quantities if you use a healthy oil like olive oil), stainless steel skillets work for everything. and for meat, you don't need the oil. it does require a metal spatula because plastic ones don't have a sharp enough edge. takes some practice and experimenting. but w/stainless steel, you can use SOS, etc to clean it. so even if you stick something, you can get it off.
have fun experimenting!