Unsolved	Solved	Success Rate
Problem 1	3567	868	20 %
Problem 2	1788	521	23 %
Problem 3	1467	418	22 %
Problem 4	2166	542	20 %
Problem 5	1400	365	21 %
Problem 6	1555	381	20 %
Problem 7	749	296	28 %
Problem 8	844	365	30 %
Problem 9	573	274	32 %
Problem 10	717	328	31 %
Problem 11	879	265	23 %
Problem 12	1109	312	22 %
Problem 13	744	264	26 %
Problem 14	580	385	40 %