Only ever experienced one, on a flight from Lourdes about 30 years ago, which was packed with catholic pilgrims (never heard so many hail Marys or seen so many rapid chest crossings at one time!). I don't recall being worried, as with so many "worthies" on board, the Big Guy would be highly unlikely to allow us to perish. Since then have flown thousands of sectors and never a repeat. I am therefore, amazed that two were experienced within a single month.
Engines are now so reliable that failures have actually become newsworthy. I suppose birdstrikes are now more lilkely.
One thing though; with aircraft becoming ever quieter, so the little blighters find it harder to hear them coming, I wonder if this means bird strikes will become more frequent?