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 87 49.2%
2 Netherlands 22 12.4%
3 United States 19 10.7%
4 France 17 9.6%
5 Germany 17 9.6%
6 Canada 4 2.3%
7 Hong Kong 3 1.7%
8 Japan 2 1.1%
9 Russia 2 1.1%
10 Ukraine 1 0.6%
11 Portugal 1 0.6%
12 Australia 1 0.6%
13 Czech Republic 1 0.6%