Rank	Countries/Territories	Count	Percent
1	United States	680	36.9%
2	China	606	32.9%
3	Germany	189	10.3%
4	Singapore	84	4.6%
5	Canada	50	2.7%
6	France	48	2.6%
7	United Kingdom	22	1.2%
8	Korea, Republic of	18	1%
9	Netherlands	15	0.8%
10	Japan	14	0.8%
11	Cyprus	14	0.8%
12	India	13	0.7%
13	Indonesia	12	0.7%
14	Australia	11	0.6%
15	Norway	10	0.5%
16	Russia	10	0.5%
17	Sweden	7	0.4%
18	Ukraine	6	0.3%
19	Malaysia	6	0.3%
20	Argentina	3	0.2%
21	Hong Kong	3	0.2%
22	Switzerland	3	0.2%
23	Taiwan	2	0.1%
24	Philippines	2	0.1%
25	Romania	2	0.1%
26	Nigeria	2	0.1%
27	Bulgaria	2	0.1%
28	Namibia	2	0.1%
29	Iran, Islamic Republic of	2	0.1%
30	Ireland	2	0.1%
31	Israel	2	0.1%