BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 176 74.6%
2 United States 25 10.6%
3 Germany 9 3.8%
4 Hong Kong 5 2.1%
5 Canada 4 1.7%
6 United Kingdom 4 1.7%
7 Taiwan 2 0.8%
8 Turkey 2 0.8%
9 Australia 2 0.8%
10 Brazil 1 0.4%
11 France 1 0.4%
12 Japan 1 0.4%
13 Korea, Republic of 1 0.4%
14 Malaysia 1 0.4%
15 Portugal 1 0.4%
16 Ukraine 1 0.4%