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 459 43.1%
2 United States 267 25.1%
3 Netherlands 144 13.5%
4 Germany 81 7.6%
5 France 34 3.2%
6 Sweden 21 2%
7 Canada 17 1.6%
8 Macao 6 0.6%
9 Hong Kong 5 0.5%
10 Korea, Republic of 5 0.5%
11 United Kingdom 4 0.4%
12 India 4 0.4%
13 Indonesia 3 0.3%
14 Romania 2 0.2%
15 Serbia 2 0.2%
16 Singapore 2 0.2%
17 Greece 2 0.2%
18 Taiwan 2 0.2%
19 Finland 1 0.1%
20 Australia 1 0.1%
21 Brazil 1 0.1%
22 Malaysia 1 0.1%
23 Moldova, Republic of 1 0.1%