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 561 42.1%
2 United States 258 19.4%
3 Netherlands 167 12.5%
4 Germany 102 7.7%
5 Russia 63 4.7%
6 France 60 4.5%
7 Canada 28 2.1%
8 Sweden 18 1.4%
9 Czech Republic 16 1.2%
10 Ukraine 7 0.5%
11 India 6 0.5%
12 Korea, Republic of 6 0.5%
13 Malaysia 6 0.5%
14 Singapore 5 0.4%
15 Turkey 5 0.4%
16 Brazil 3 0.2%
17 Jamaica 2 0.2%
18 Ghana 2 0.2%
19 Hong Kong 2 0.2%
20 South Africa 2 0.2%
21 Romania 2 0.2%
22 Norway 2 0.2%
23 United Arab Emirates 2 0.2%
24 United Kingdom 2 0.2%
25 Taiwan 1 0.1%
26 Thailand 1 0.1%
27 Portugal 1 0.1%
28 Japan 1 0.1%
29 Estonia 1 0.1%