BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 180 46.2%
2 United States 126 32.3%
3 Germany 27 6.9%
4 Taiwan 11 2.8%
5 Japan 9 2.3%
6 Hong Kong 8 2.1%
7 Malaysia 7 1.8%
8 Ireland 4 1%
9 Korea, Republic of 4 1%
10 Australia 3 0.8%
11 Canada 3 0.8%
12 Russia 3 0.8%
13 Thailand 2 0.5%
14 India 2 0.5%
15 Singapore 1 0.3%