Rank	Countries/Territories	Count	Percent
1	China	200	31.6%
2	United States	123	19.5%
3	Japan	106	16.8%
4	Korea, Republic of	33	5.2%
5	Switzerland	31	4.9%
6	Singapore	24	3.8%
7	Bulgaria	18	2.8%
8	Germany	17	2.7%
9	Netherlands	10	1.6%
10	Iran, Islamic Republic of	10	1.6%
11	United Kingdom	7	1.1%
12	Ireland	6	0.9%
13	Italy	6	0.9%
14	Hong Kong	5	0.8%
15	India	4	0.6%
16	Romania	4	0.6%
17	Taiwan	3	0.5%
18	Turkey	3	0.5%
19	Bangladesh	3	0.5%
20	France	3	0.5%
21	Croatia	2	0.3%
22	Chile	2	0.3%
23	Philippines	2	0.3%
24	Spain	2	0.3%
25	Sweden	1	0.2%
26	South Africa	1	0.2%
27	Belgium	1	0.2%
28	Denmark	1	0.2%
29	Australia	1	0.2%
30	Greece	1	0.2%
31	New Zealand	1	0.2%
32	Nigeria	1	0.2%