In the 12 finished games I've played, the least amount of frogs left was 18. In two games: 451819 and 457429. The maximum amount of frogs left was 27, in game 456900. Average amount of frogs left: 22.75.
On average, I've scored just a bit more than 114 points, with a maximum of 120 in game 445522. The least amount of points scored was 107, in game 445401. This games is also one of three with the smallest difference in points: 7. The biggest difference happened in game 456900: 117 - 90, a 27 point victory. In two games, 445522 and 443943, the total score was 223 points, a maximum for me.