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 150 59.1%
2 United States 43 16.9%
3 Germany 33 13%
4 Japan 4 1.6%
5 Australia 3 1.2%
6 Netherlands 3 1.2%
7 Taiwan 3 1.2%
8 Ukraine 2 0.8%
9 Italy 2 0.8%
10 Canada 2 0.8%
11 France 2 0.8%
12 Malaysia 2 0.8%
13 Morocco 2 0.8%
14 Hong Kong 2 0.8%
15 Israel 1 0.4%