Version 2 of data set | Old version (pre July 1, 2015) |

Cycle 1 | Cycle 1 |

Cycle 2 | Cycle 2 |

Cycle 3 | Cycle 3 |

Cycle 4 | Cycle 4 |

Cycle 5 | Cycle 5 |

Cycle 6 | Cycle 6 |

Cycle 7 | Cycle 7 |

Cycle 8 | Cycle 8 |

Cycle 9 | Cycle 9 |

Cycle 10 | Cycle 10 |

Cycle 11 | Cycle 11 |

Cycle 12 | Cycle 12 |

Cycle 13 | Cycle 13 |

Cycle 14 | Cycle 14 |

Cycle 15 | Cycle 15 |

Cycle 16 | Cycle 16 |

Cycle 17 | Cycle 17 |

Cycle 18 | Cycle 18 |

Cycle 19 | Cycle 19 |

Cycle 20 | Cycle 20 |

Cycle 21 | |

Cycle 22 | |

Cycle 23 |

Copyright notice: The graphics can be freely used provided that proper credit is given. The graphs have been prepared by Jan Alvestad based on data from WDC-SILSO, Brussels.