Rank	Countries/Territories	Count	Percent
1	United States	236	30.5%
2	China	172	22.2%
3	Germany	83	10.7%
4	Korea, Republic of	31	4%
5	Canada	29	3.7%
6	India	25	3.2%
7	Japan	25	3.2%
8		24	3.1%
9	Russia	20	2.6%
10	Australia	18	2.3%
11	United Kingdom	13	1.7%
12	Switzerland	11	1.4%
13	Netherlands	11	1.4%
14	France	7	0.9%
15	Austria	6	0.8%
16	Malaysia	6	0.8%
17	Ireland	6	0.8%
18	Iran, Islamic Republic of	5	0.6%
19	Cyprus	4	0.5%
20	Norway	4	0.5%
21	Spain	4	0.5%
22	Qatar	4	0.5%
23	Romania	4	0.5%
24	Singapore	3	0.4%
25	Israel	3	0.4%
26	Belgium	3	0.4%
27	Denmark	3	0.4%
28	Guatemala	2	0.3%
29	Czech Republic	2	0.3%
30	Algeria	2	0.3%
31	Poland	2	0.3%
32	Peru	1	0.1%
33	Sweden	1	0.1%
34	Turkey	1	0.1%
35	Brazil	1	0.1%
36	Hong Kong	1	0.1%
37	Egypt	1	0.1%