Rank	Countries/Territories	Count	Percent
1	United States	471	39.1%
2	China	427	35.4%
3	Germany	80	6.6%
4	Netherlands	43	3.6%
5	India	40	3.3%
6	Japan	22	1.8%
7	France	16	1.3%
8	Australia	15	1.2%
9	Italy	9	0.7%
10	Singapore	9	0.7%
11	Thailand	7	0.6%
12	Tunisia	7	0.6%
13	Canada	5	0.4%
14	Ghana	4	0.3%
15	Ireland	4	0.3%
16	Korea, Republic of	4	0.3%
17	Turkey	4	0.3%
18	Ukraine	4	0.3%
19	Peru	4	0.3%
20	Qatar	4	0.3%
21	Switzerland	4	0.3%
22	United Kingdom	3	0.2%
23	Pakistan	3	0.2%
24	Palestine, State of	2	0.2%
25	Malaysia	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Cyprus	2	0.2%
28	Russia	2	0.2%
29	South Africa	2	0.2%
30	Taiwan	1	0.1%
31	Denmark	1	0.1%
32	Mexico	1	0.1%
33	Morocco	1	0.1%