mine is just so erratic that I have no idea to be honest.
During the last couple of years it probably averages out to silver/gold borderline but if you include since birth, even though im a young-un I probably end up in the 'why the heck are you on this forum' catagory. Do helicoptors and ancient single engine 4 seaters count? I could notch up a fair few of those last year with wellsite visits...