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 347 42.2%
2 United States 219 26.6%
3 Germany 76 9.2%
4 Netherlands 75 9.1%
5 Hong Kong 25 3%
6 Canada 17 2.1%
7 Sweden 15 1.8%
8 Taiwan 11 1.3%
9 France 7 0.9%
10 Brunei Darussalam 5 0.6%
11 Singapore 5 0.6%
12 Ukraine 4 0.5%
13 Norway 3 0.4%
14 Japan 3 0.4%
15 United Kingdom 2 0.2%
16 Switzerland 2 0.2%
17 Chile 2 0.2%
18 India 2 0.2%
19 Australia 1 0.1%
20 Korea, Republic of 1 0.1%
21 Russia 1 0.1%