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 170 56.9%
2 United States 49 16.4%
3 Germany 30 10%
4 Hong Kong 11 3.7%
5 Taiwan 11 3.7%
6 Canada 4 1.3%
7 Thailand 3 1%
8 Spain 3 1%
9 Macao 3 1%
10 Malaysia 3 1%
11 Netherlands 2 0.7%
12 Japan 2 0.7%
13 Korea, Republic of 2 0.7%
14 Ukraine 2 0.7%
15 Australia 2 0.7%
16 Tunisia 1 0.3%
17 Russia 1 0.3%