Rank	Countries/Territories	Count	Percent
1	United States	214	40.1%
2	China	127	23.8%
3	Germany	54	10.1%
4	France	22	4.1%
5	Japan	18	3.4%
6	Singapore	14	2.6%
7	Netherlands	11	2.1%
8	Russia	10	1.9%
9	Canada	8	1.5%
10	Algeria	6	1.1%
11	Poland	6	1.1%
12	Philippines	4	0.7%
13	Iran, Islamic Republic of	4	0.7%
14	Korea, Republic of	3	0.6%
15	Belgium	3	0.6%
16	Egypt	3	0.6%
17	Thailand	3	0.6%
18	Viet Nam	3	0.6%
19	United Kingdom	3	0.6%
20	Spain	2	0.4%
21	Ecuador	2	0.4%
22	Ireland	2	0.4%
23	India	2	0.4%
24	Italy	1	0.2%
25	Latvia	1	0.2%
26	Mexico	1	0.2%
27	Georgia	1	0.2%
28	Costa Rica	1	0.2%
29	Cyprus	1	0.2%
30	Sweden	1	0.2%
31	Switzerland	1	0.2%
32	Portugal	1	0.2%
33	Ukraine	1	0.2%