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 221 34.4%
2 United States 183 28.5%
3 Netherlands 159 24.7%
4 Germany 30 4.7%
5 Canada 15 2.3%
6 Korea, Republic of 8 1.2%
7 France 7 1.1%
8 Russia 6 0.9%
9 Singapore 3 0.5%
10 Switzerland 3 0.5%
11 Iran, Islamic Republic of 2 0.3%
12 Hong Kong 1 0.2%
13 India 1 0.2%
14 Brazil 1 0.2%
15 Ukraine 1 0.2%
16 Spain 1 0.2%
17 Portugal 1 0.2%