Rank	Countries/Territories	Count	Percent
1	United States	307	29.1%
2	China	280	26.5%
3	Japan	113	10.7%
4	Germany	63	6%
5	Singapore	40	3.8%
6	France	33	3.1%
7	Netherlands	21	2%
8	India	20	1.9%
9	Australia	15	1.4%
10	United Kingdom	13	1.2%
11	Korea, Republic of	10	0.9%
12	Canada	9	0.9%
13	Russia	9	0.9%
14	Tunisia	9	0.9%
15	Turkey	9	0.9%
16	Spain	7	0.7%
17	Egypt	7	0.7%
18	Iran, Islamic Republic of	7	0.7%
19	Iraq	6	0.6%
20	Ireland	6	0.6%
21	Switzerland	6	0.6%
22	Romania	6	0.6%
23	Bulgaria	5	0.5%
24	Lebanon	4	0.4%
25	Philippines	4	0.4%
26	Taiwan	4	0.4%
27	Poland	3	0.3%
28	Indonesia	3	0.3%
29	Argentina	3	0.3%
30	Brazil	3	0.3%
31	Hong Kong	3	0.3%
32	Ethiopia	2	0.2%
33	Cyprus	2	0.2%
34	Croatia	2	0.2%
35	Jordan	2	0.2%
36	Kazakhstan	2	0.2%
37	Portugal	2	0.2%
38	Nigeria	2	0.2%
39	Malaysia	2	0.2%
40	South Africa	1	0.1%
41	Thailand	1	0.1%
42	Sri Lanka	1	0.1%
43	Sweden	1	0.1%
44	Viet Nam	1	0.1%
45	Oman	1	0.1%
46	Lithuania	1	0.1%
47	New Zealand	1	0.1%
48	Kenya	1	0.1%
49	Cuba	1	0.1%
50	Colombia	1	0.1%
51	Czech Republic	1	0.1%