ugs). The World Factbook
introduced onto the Internet.

1998 - The Introduction category with two entries, Current issues
and Historical perspective, expanded to more countries. Last year
for the production of CD-ROM versions of the Factbook.

1999 - Historical perspective and Current issues entries in the
Introduction category combined into a new Background statement.
Several new Economy entries introduced. A new physical map of the
world added to the back-of-the-book reference maps.

2000 - A new "country profile" added on the Southern Ocean. The
Background statements dramatically expanded to over 200 countries
and possessions. A number of new Communications entries added.

2001 - Background entries completed for all 267 entities in the
Factbook. Several new HIV/AIDS entries introduced under the People
category. Revision begun on individual country maps to include
elevation extremes and a partial geographic grid. Weights and
Measures appendix deleted.

2002 - New entry on Distribution of Family income - Gini index
added. Revision of individual country maps continued (process still
ongoing as of 2007).

2003 - In the Economy category, petroleum entries added for oil
production, consumption, exports, imports, and proved reserves, as
well as natural gas proved reserves.

2004 - Additional petroleum entries included for natural gas
production, consumption, exports, and imports. In the Transportation
category, under Merchant marine, subfields added for foreign-owned
vessels and those registered in other countries. Descriptions of the
many forms of government mentioned in the Factbook incorporated into
the Notes and Definitions.

2005 - In the People category, a Major infectious diseases field
added for countries deemed to pose a higher risk for travelers. In
the Economy category, entries included for Current account balance,
Investment, Public debt, and Reserves of foreign exchange and gold.
The Transnational issues category expanded to include Refugees and
internally displaced persons. Category headings receive distinctive
colored backgrounds. These distinguishing colors are used in both
the printed and online versions of the Factbook. Size of the printed
Factbook reaches 702 pages.

2006 - In the Economy category, national GDP figures now presented
at Official Exchange Rates (OER) in addition to GDP at purchasing
power parity (PPP).

2007 - In the Government category, the Capital entry significantly
expand