Number of countries having a banking crisis in each year since 1800. This is based on www. reinhartandrogoff. com, which covers only 70 countries. The general upward trend might be attributed to many factors. One of these is a gradual increase in the percent of people who receive money for their labor. The dramatic feature of this graph is the virtual absence of banking crises during the period of the Bretton Woods agreement, 1945 to 1971.