installed size is  6.1Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   2.9Mb
installed size is  6.6Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    libs   3.4Mb
installed size is  6.2Mb
  sub-directories of 1Mb or more:
    R      2.1Mb
    libs   2.9Mb