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 633 53.7%
2 United States 187 15.9%
3 Netherlands 140 11.9%
4 France 73 6.2%
5 Germany 59 5%
6 Canada 24 2%
7 Hong Kong 13 1.1%
8 Korea, Republic of 8 0.7%
9 Australia 7 0.6%
10 Taiwan 5 0.4%
11 United Kingdom 4 0.3%
12 India 4 0.3%
13 Macao 3 0.3%
14 Norway 3 0.3%
15 Malaysia 2 0.2%
16 Indonesia 2 0.2%
17 Italy 2 0.2%
18 Egypt 2 0.2%
19 Ukraine 2 0.2%
20 Russia 2 0.2%
21 Singapore 1 0.1%
22 Georgia 1 0.1%
23 Philippines 1 0.1%
24 Romania 1 0.1%