BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 337 48.6%
2 United States 161 23.2%
3 Netherlands 127 18.3%
4 Canada 15 2.2%
5 Germany 15 2.2%
6 Korea, Republic of 11 1.6%
7 India 5 0.7%
8 France 4 0.6%
9 Russia 4 0.6%
10 Sweden 3 0.4%
11 Iran, Islamic Republic of 3 0.4%
12 Japan 2 0.3%
13 Poland 2 0.3%
14 Turkmenistan 1 0.1%
15 Ukraine 1 0.1%
16 United Kingdom 1 0.1%
17 Brazil 1 0.1%