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 258 49.6%
2 United States 117 22.5%
3 Netherlands 90 17.3%
4 Germany 28 5.4%
5 Russia 7 1.3%
6 India 6 1.2%
7 Canada 4 0.8%
8 Czech Republic 3 0.6%
9 Iran, Islamic Republic of 3 0.6%
10 Japan 2 0.4%
11 Hong Kong 1 0.2%
12 Brazil 1 0.2%