Rank	Countries/Territories	Count	Percent
1	United States	322	43.8%
2	China	179	24.4%
3	Germany	85	11.6%
4	Japan	20	2.7%
5	Australia	19	2.6%
6	Singapore	15	2%
7	Ireland	11	1.5%
8	Canada	10	1.4%
9	Netherlands	10	1.4%
10	France	9	1.2%
11	India	8	1.1%
12	Spain	5	0.7%
13	Italy	4	0.5%
14	Cyprus	4	0.5%
15	Greece	3	0.4%
16	Hong Kong	3	0.4%
17	Tunisia	3	0.4%
18	Lithuania	3	0.4%
19	Mongolia	2	0.3%
20	Taiwan	2	0.3%
21	Argentina	2	0.3%
22	Korea, Republic of	2	0.3%
23	Denmark	2	0.3%
24	Georgia	2	0.3%
25	Belgium	2	0.3%
26	Chile	1	0.1%
27	Israel	1	0.1%
28	Turkey	1	0.1%
29	United Kingdom	1	0.1%
30	Viet Nam	1	0.1%
31	Russia	1	0.1%
32	Switzerland	1	0.1%
33	Syrian Arab Republic	1	0.1%