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 534 41.2%
2 Netherlands 227 17.5%
3 United States 215 16.6%
4 Germany 111 8.6%
5 France 56 4.3%
6 Russia 55 4.2%
7 Canada 25 1.9%
8 Sweden 21 1.6%
9 Czech Republic 15 1.2%
10 Korea, Republic of 10 0.8%
11 India 6 0.5%
12 Ukraine 4 0.3%
13 United Kingdom 3 0.2%
14 South Africa 2 0.2%
15 Japan 2 0.2%
16 Ghana 2 0.2%
17 Australia 2 0.2%
18 Norway 2 0.2%
19 Portugal 1 0.1%
20 Taiwan 1 0.1%
21 Thailand 1 0.1%
22 Singapore 1 0.1%
23 United Arab Emirates 1 0.1%