Contents L. Introduction II. Principles Objectives and Operational Considerations 346 IlL. Need for Change ....................... V. The Revised De Facto Classification System Tables 1. Shares of Classifications Using the 1998 and 2009 Methodologies FI 1. Development of the Residual Category, 1975-2008 2. Decision Process for Revised Classification Methodology Appendices I Revised Classification System-Definitions of Categories I L. The Evolution of the imf's classification taxonomies 152 Contents Page I. Introduction ............................................................................................................................3 II. Principles, Objectives, and Operational Considerations .......................................................4 III. Need for Change ..................................................................................................................6 IV. The Revised De Facto Classification System......................................................................7 Tables 1. Shares of Classifications Using the 1998 and 2009 Methodologies......................................4 Figures 1. Development of the Residual Category, 1975–2008 .............................................................6 2. Decision Process for Revised Classification Methodology...................................................9 Appendices I. Revised Classification System—Definitions of Categories .................................................11 II. The Evolution of the IMF’s Classification Taxonomies.....................................................15