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 600 52.9%
2 United States 172 15.2%
3 Netherlands 141 12.4%
4 France 76 6.7%
5 Germany 43 3.8%
6 Canada 21 1.9%
7 Czech Republic 15 1.3%
8 Hong Kong 13 1.1%
9 Japan 11 1%
10 Russia 9 0.8%
11 United Kingdom 6 0.5%
12 India 6 0.5%
13 Taiwan 5 0.4%
14 Korea, Republic of 5 0.4%
15 Mexico 4 0.4%
16 Malaysia 3 0.3%
17 Australia 3 0.3%
18 Brazil 1 0.1%
19 Singapore 1 0.1%