I wouldn't bother extrapolating your personal experience to the general population
I edited to add wikpedia link. You can peruse the sources yourself at your leisure.
Relevantly the US divorce rate is in decline: http://time.com/5405757/millennials-us-divorce-rate-decline/
The probability of a marriage lasting for 10 years or longer is something different than the rate of divorce. Even if the former probability excludes cases of deaths ending marriages early. Feel like the 3% number is still too low, even though I'd expect most failed marriages to divorce earlier on rather than later.I edited to add wikpedia link. You can peruse the sources yourself at your leisure.
Relevantly the US divorce rate is in decline: http://time.com/5405757/millennials-us-divorce-rate-decline/
Well, strictly speaking 100% of all marriages eventually end