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 71 40.6%
2 United States 68 38.9%
3 Netherlands 16 9.1%
4 Germany 4 2.3%
5 Canada 3 1.7%
6 Iran, Islamic Republic of 3 1.7%
7 Taiwan 3 1.7%
8 Ukraine 2 1.1%
9 New Zealand 2 1.1%
10 Sri Lanka 2 1.1%
11 Hong Kong 1 0.6%