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 United States 226 38.3%
2 China 157 26.6%
3 Netherlands 142 24.1%
4 Czech Republic 16 2.7%
5 Germany 12 2%
6 Canada 10 1.7%
7 Korea, Republic of 10 1.7%
8 United Kingdom 8 1.4%
9 Japan 3 0.5%
10 Kazakhstan 2 0.3%
11 Brazil 2 0.3%
12 Russia 1 0.2%
13 Ukraine 1 0.2%