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 680 51.5%
2 United States 254 19.2%
3 Netherlands 160 12.1%
4 France 79 6%
5 Germany 77 5.8%
6 Canada 22 1.7%
7 India 7 0.5%
8 Korea, Republic of 6 0.5%
9 Hong Kong 6 0.5%
10 Malaysia 4 0.3%
11 Russia 4 0.3%
12 Estonia 3 0.2%
13 United Kingdom 3 0.2%
14 Bahrain 2 0.2%
15 Brazil 2 0.2%
16 Ghana 2 0.2%
17 Serbia 2 0.2%
18 Sweden 2 0.2%
19 Iraq 2 0.2%
20 Kenya 2 0.2%
21 Nepal 1 0.1%
22 Norway 1 0.1%