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 70 55.1%
2 United States 15 11.8%
3 Netherlands 14 11%
4 Russia 6 4.7%
5 Canada 4 3.1%
6 France 4 3.1%
7 Germany 3 2.4%
8 Hong Kong 2 1.6%
9 India 2 1.6%
10 Brazil 2 1.6%
11 Czech Republic 2 1.6%
12 United Kingdom 2 1.6%
13 Malaysia 1 0.8%