Rank	Countries/Territories	Count	Percent
1	United States	328	31.7%
2	China	296	28.6%
3	Japan	114	11%
4	Germany	68	6.6%
5	France	33	3.2%
6	Russia	22	2.1%
7	Singapore	17	1.6%
8	Netherlands	17	1.6%
9	Canada	15	1.4%
10	Korea, Republic of	13	1.3%
11	United Kingdom	13	1.3%
12	Indonesia	12	1.2%
13	Australia	8	0.8%
14	Brazil	7	0.7%
15	Cyprus	7	0.7%
16	Denmark	7	0.7%
17	Ireland	6	0.6%
18	India	6	0.6%
19	Portugal	6	0.6%
20	Mexico	4	0.4%
21	Taiwan	4	0.4%
22	Egypt	4	0.4%
23	Thailand	3	0.3%
24	Turkey	2	0.2%
25	Spain	2	0.2%
26	Saudi Arabia	2	0.2%
27	Lithuania	2	0.2%
28	Romania	2	0.2%
29	Nigeria	2	0.2%
30	Estonia	2	0.2%
31	Argentina	2	0.2%
32	Belgium	2	0.2%
33	Italy	2	0.2%
34	Ghana	2	0.2%
35	Hong Kong	1	0.1%
36	Jordan	1	0.1%
37	Sweden	1	0.1%