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 588 40.1%
2 United States 322 21.9%
3 Netherlands 221 15.1%
4 Germany 103 7%
5 France 61 4.2%
6 Russia 47 3.2%
7 Sweden 23 1.6%
8 Canada 22 1.5%
9 Czech Republic 22 1.5%
10 Hong Kong 8 0.5%
11 Korea, Republic of 7 0.5%
12 India 6 0.4%
13 Singapore 5 0.3%
14 Ukraine 5 0.3%
15 Moldova, Republic of 3 0.2%
16 Indonesia 2 0.1%
17 North Macedonia 2 0.1%
18 Norway 2 0.1%
19 Portugal 2 0.1%
20 Denmark 2 0.1%
21 2 0.1%
22 Australia 2 0.1%
23 Ghana 2 0.1%
24 United Arab Emirates 2 0.1%
25 Spain 2 0.1%
26 Thailand 2 0.1%
27 South Africa 1 0.1%
28 Taiwan 1 0.1%