听说这次差距是个位数
颜色对照表如下(数字为该党得票率)：
https://i.imgur.com/xeKnn31.png
这里值得注意的地方如下
https://i.imgur.com/ti90oYX.png
图案如下：
1990:
Phil Gramm Republican 2302357 60.24%
Hugh Parmer Democratic 1429986 37.41%
Gary Johnson Libertarian 89089 2.33%
https://i.imgur.com/xNEwLjF.png
https://i.imgur.com/Q7WB4V1.png
1996:
Phil Gramm Republican 3027680 54.78%
Victor M. Morales Democratic 2428776 43.94%
https://i.imgur.com/w2kZZRq.png
https://i.imgur.com/u9fsvJy.png
2002:
John Cornyn Republican 2496243 55.30%
Ron Kirk Democratic 1955758 43.33%
https://i.imgur.com/KXj5mK1.png
https://i.imgur.com/rpCx8CQ.png
2008:
John Cornyn Republican 4337469 54.82%
Richard J. Noriega Democratic 3389365 42.84%
Yvonne Adams Schick
Libertarian 185241 2.34%
https://i.imgur.com/DYIkkhi.png
https://i.imgur.com/6zuzo7j.png
2014:
John Cornyn Republican 2861531 61.56%
David M. Alameel Democratic 1597387 34.36%
Rebecca Paddock Libertarian 133751 2.88%
https://i.imgur.com/H04mgbW.png
https://i.imgur.com/LTm32L6.png
选举资料来源：
Leip, David. Dave Leip's Atlas of U.S. Presidential Elections.
http://uselectionatlas.org (date).