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 547 46.4%
2 United States 271 23%
3 Netherlands 173 14.7%
4 Germany 79 6.7%
5 France 38 3.2%
6 Canada 19 1.6%
7 Sweden 14 1.2%
8 Singapore 7 0.6%
9 Hong Kong 5 0.4%
10 New Zealand 4 0.3%
11 Taiwan 4 0.3%
12 Turkey 3 0.3%
13 Finland 3 0.3%
14 Russia 2 0.2%
15 Switzerland 2 0.2%
16 Norway 1 0.1%
17 Poland 1 0.1%
18 Romania 1 0.1%
19 India 1 0.1%
20 Ireland 1 0.1%
21 Italy 1 0.1%
22 Korea, Republic of 1 0.1%