Rank	Countries/Territories	Count	Percent
1	United States	193	40.1%
2	China	100	20.8%
3	Germany	40	8.3%
4	Poland	29	6%
5	Canada	23	4.8%
6	India	14	2.9%
7	Singapore	13	2.7%
8	Netherlands	10	2.1%
9	Ireland	7	1.5%
10	Australia	7	1.5%
11		5	1%
12	United Kingdom	5	1%
13	Iran, Islamic Republic of	4	0.8%
14	Bangladesh	3	0.6%
15	Brazil	2	0.4%
16	Croatia	2	0.4%
17	Cyprus	2	0.4%
18	Egypt	2	0.4%
19	Korea, Republic of	2	0.4%
20	Lebanon	2	0.4%
21	United Arab Emirates	2	0.4%
22	Qatar	2	0.4%
23	Russia	2	0.4%
24	Spain	2	0.4%
25	Switzerland	2	0.4%
26	Taiwan	1	0.2%
27	New Zealand	1	0.2%
28	Pakistan	1	0.2%
29	Malaysia	1	0.2%
30	France	1	0.2%
31	Austria	1	0.2%