Rank	Countries/Territories	Count	Percent
1	United States	244	33.8%
2	China	201	27.9%
3	Japan	70	9.7%
4	Germany	43	6%
5	Singapore	18	2.5%
6	Canada	16	2.2%
7	Taiwan	15	2.1%
8	Iran, Islamic Republic of	13	1.8%
9	Russia	10	1.4%
10	Netherlands	10	1.4%
11	India	9	1.2%
12	France	7	1%
13	Austria	7	1%
14	Cyprus	6	0.8%
15	Turkey	6	0.8%
16	Sweden	6	0.8%
17	Australia	5	0.7%
18	Belgium	3	0.4%
19	United Kingdom	3	0.4%
20	Spain	3	0.4%
21	Norway	3	0.4%
22	Philippines	2	0.3%
23	Poland	2	0.3%
24	Romania	2	0.3%
25	Moldova, Republic of	2	0.3%
26	Ireland	2	0.3%
27	Denmark	2	0.3%
28	Bangladesh	2	0.3%
29	Korea, Republic of	2	0.3%
30	Lao People's Democratic Republic	2	0.3%
31	Mexico	1	0.1%
32	Guatemala	1	0.1%
33	Argentina	1	0.1%
34	Sri Lanka	1	0.1%
35	Ukraine	1	0.1%