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 356 41.1%
2 United States 155 17.9%
3 Netherlands 149 17.2%
4 Germany 86 9.9%
5 Sweden 18 2.1%
6 Taiwan 18 2.1%
7 Canada 16 1.8%
8 Hong Kong 13 1.5%
9 France 10 1.2%
10 Nigeria 8 0.9%
11 Russia 8 0.9%
12 Norway 5 0.6%
13 Ukraine 5 0.6%
14 Korea, Republic of 5 0.6%
15 India 4 0.5%
16 United Kingdom 4 0.5%
17 South Africa 3 0.3%
18 Thailand 2 0.2%
19 Japan 1 0.1%
20 Mauritius 1 0.1%