Question: What year was the online newsletter that introduced the Cook Partisan Voting Index founded?

Context paragraphs:
Indian Country Media Network: Indian Country Today Media Network (ICT, ICMN, or ICTMN) is a website and weekly online newsletter that is a national news source for and about Native people in North America.  In January 2011, the ICT Media Network revealed their new online multimedia news platform.  The daily, hourly, or "as news breaks" news service is owned by the Oneida Nation of New York.  ICTMN announced that it had registered 1,009,761 unique monthly visitors for the month of June 2014, according to Google Analytics.  ICTMN has created its own popular social networking page on Facebook, which has exceeded 300,000 "likes".

The Cook Political Report: The Cook Political Report is an independent, non-partisan online newsletter that analyzes elections and campaigns for the United States House of Representatives, the United States Senate, Governor's offices and the American Presidency.  It was founded by political analyst Charlie Cook in 1984.  Coverage of Senate and Gubernatorial races is headed up by Senior Editor Jennifer Duffy and coverage of House races is led by David Wasserman.  Amy Walter serves as national editor.

Max Holland: Max Holland (born 1950, in Providence, Rhode Island) is a journalist, author, and the editor of "Washington Decoded", an online newsletter from the nation's capital that began publishing March 11, 2007.  He is currently a contributing editor to "The Nation" and "The Wilson Quarterly," and sits on the editorial advisory board of the "International Journal of Intelligence and CounterIntelligence".  As of 2004 he had more than two decades of journalism experience; his articles have appeared in "The Atlantic Monthly", "American Heritage", "The Washington Post", "The New York Times", "Los Angeles Times", "The Boston Globe", "The Baltimore Sun", "Studies in Intelligence", the "Journal of Cold War Studies", "Reviews in American History", and online at "History News Network".

Florida's 1st congressional district: Florida's 1st congressional district is a congressional district in the U.S. state of Florida, covering the state's western Panhandle.  It includes all of Escambia, Okaloosa, Santa Rosa, and Walton counties and portions of Holmes county.  The district is anchored in Pensacola and also includes the large military bedroom communities and tourist destanations of Navarre and Fort Walton Beach and stretches along the Emerald Coast.  The district, as ranked by the Cook Partisan Voting Index, is the most Republican district in Florida and the 15th most in the United States.

ACM SIGLOG: ACM SIGLOG or SIGLOG is the Association for Computing Machinery Special Interest Group on Logic and Computation.  It publishes a news magazine ("SIGLOG News"), and has the annual Symposium on Logic in Computer Science as its flagship conference.  In addition, it publishes an online newsletter, the "SIGLOG Monthly Bulletin" (formerly the "LICS Newsletter"), and "maintains close ties" with the related academic journal "ACM Transactions on Computational Logic".

Politics of Indiana: Indiana has long been considered to be a Republican stronghold and is rated R+7 on the Cook Partisan Voting Index.  The current governor of Indiana is Republican Eric Holcomb, and Republicans hold supermajorities in both chambers of the Indiana General Assembly.  It has only supported a Democrat for president five times since 1900—in 1912, 1932, 1936, 1964 and 2008.  Nonetheless, half of Indiana's governors in the 20th century were Democrats.

Cook Partisan Voting Index: The Cook Partisan Voting Index, also called PVI, is a measurement of how strongly a United States congressional district or state leans toward the Democratic or Republican Party, compared to the nation as a whole. " The Cook Political Report" introduced the PVI in August 1997 to better gauge the competitiveness of each district using the 1992 and 1996 presidential elections as a baseline.  The index is based on analysis by the Center for Voting and Democracy (now FairVote) for its July 1997 "Monopoly Politics" report.

Austin Community Academy High School: Austin High School (now known as Austin College and Career Academy High School) is a public 4–year high school located at 231 North Pine Avenue in the Austin neighborhood on the west side of Chicago, Illinois, United States.  Operated by the Chicago Public Schools, Austin opened in 1876 and was named in honor of Henry W. Austin, a Chicago real estate developer In 2004, the online newsletter "Chicago-Catalyst. org" called it the yellow brick fortress.  Austin Polytech shared its campus with two smaller schools; Austin Business & Entrepreneurship Academy High and V.O.I.S.E. Academy High School.  After the 2015–2016 school year, the small schools converted into one school and was renamed Austin College and Career Academy High School.

The Horsemen's Voice: The Horsemen's Voice (THV) is an independent, privately owned magazine founded in 1982 by Sallie Pennybacker as the newsletter for the New Mexico Horse Council, in New Mexico, USA.  THV grew beyond the New Mexico Horse Council and became a magazine.  For a time during 2000–2004 there was an additional, online newsletter, but this caused confusion, with many newsletter subscribers thinking the newsletter and magazine were one and the same.  The magazine's tag line has varied, including "New Mexico's All Breed, All Discipline horse magazine" and "New Mexico's Horse Magazine".  Color printing of the cover and some pages was introduced in 2006.  An important part of the magazine is its free calendar of events, often listing 6–8 events on a given weekend.

Ecojesuit: Ecojesuit is an international online communication platform supported by Global Ignatian Advocacy Network-Ecology (GIAN-Ecology) of the Society of Jesus.  "Ecojesuit" publishes primarily through its online newsletter online and also through Facebook and Twitter.

Supporting paragraphs: Cook Partisan Voting Index The Cook Political Report
Answer: 1984