Rank	Countries/Territories	Count	Percent
1	United States	174	33.5%
2	China	134	25.8%
3	Germany	38	7.3%
4	Belgium	29	5.6%
5	India	17	3.3%
6	Japan	16	3.1%
7	Brazil	15	2.9%
8	Switzerland	12	2.3%
9	Malaysia	11	2.1%
10	Netherlands	8	1.5%
11	Italy	7	1.3%
12	Singapore	6	1.2%
13	Korea, Republic of	6	1.2%
14	Canada	5	1%
15	France	5	1%
16	Turkey	4	0.8%
17	United Kingdom	4	0.8%
18	Mexico	3	0.6%
19	Romania	3	0.6%
20	Russia	3	0.6%
21	Ireland	3	0.6%
22	Hong Kong	2	0.4%
23	Argentina	2	0.4%
24	Egypt	2	0.4%
25	Mongolia	2	0.4%
26	Saudi Arabia	1	0.2%
27	Uganda	1	0.2%
28	Viet Nam	1	0.2%
29	Estonia	1	0.2%
30	Cyprus	1	0.2%
31	Australia	1	0.2%
32	Bulgaria	1	0.2%
33	Lithuania	1	0.2%