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 502 34.5%
2 United States 378 26%
3 Netherlands 209 14.4%
4 Germany 94 6.5%
5 Russia 55 3.8%
6 France 47 3.2%
7 Singapore 30 2.1%
8 Korea, Republic of 22 1.5%
9 Canada 21 1.4%
10 Sweden 17 1.2%
11 Czech Republic 15 1%
12 Norway 10 0.7%
13 Taiwan 8 0.5%
14 Ukraine 8 0.5%
15 India 6 0.4%
16 United Kingdom 5 0.3%
17 Hong Kong 4 0.3%
18 South Africa 4 0.3%
19 Turkey 3 0.2%
20 United Arab Emirates 3 0.2%
21 New Zealand 3 0.2%
22 Austria 2 0.1%
23 Belgium 2 0.1%
24 Ghana 2 0.1%
25 Portugal 1 0.1%
26 Italy 1 0.1%
27 Macao 1 0.1%
28 Mauritius 1 0.1%
29 Thailand 1 0.1%